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CB750 F2 camshaft
archmill:
Help required re camshaft and primary chains.
Started checking out the engine parts prior to a re-build for the cafe racer project, chains for stretch, crank clearances etc. The only reference I can find regarding primary chain stretch is on youtube by "hackaweek" who states that the measurement from the sump flange to the primary tensioner should be no more than 70mm. Mine is measuring 68.5mm, is this O.K ? or time for new chains ?
Regarding the camshaft, I have an R1 which is totally shot. It has four totally different sizes of journals and one of the cam towers has had bronze bushed fitted. I got a set of decent cam towers from Mick some time ago and now need a camshaft. Am I correct in saying that practically any camshaft will fit ?
Any help and advice would be greatly appreciated.
Trigger:
Change the primary chains, primary tensioner and cam chain ( upgrade to FTH ) along with the tensioner and mid wheel. You don't want to be going back in there again ;)
UK Pete:
Is a standard did cam chain ok, was original honda chain heavy duty, I need to buy 3 of them and it makes huge difference to price
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Nurse Julie:
--- Quote from: UK Pete on October 17, 2019, 11:46:30 AM ---Is a standard did cam chain ok, was original honda chain heavy duty, I need to buy 3 of them and it makes huge difference to price
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--- End quote ---
Have you found any of the non heavy duty ones for sale Pete and how much are they out of interest. We have been selling the DID 219 FTH which are the heavy duty ones, for about 3 years now and fit them to all the engine rebuilds also. I haven't seen a 'normal ' one for about 3 years advertised anywhere as DID stopped manufacturing them and now do the heavy duty ones as the standard replacement. Edit...i am talking endless by the way, not soft link.
UK Pete:
Yes a couple of sellers do the fts did chain for just under £25 incl free postage
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